Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7TDH callsign genealogy
Currently held by WILLIAMS, JANE
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K7TDH's current licensee, walking backwards.
- HILLYER, TERRY DORgranted 2011-11-14cancelled 2016-10-15
Successor callsigns
Callsigns held now by people who previously held K7TDH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TDH, oldest first.
- WILLIAMS, JANE OR1995-11-20 → cancelled 2007-11-21
- HILLYER, TERRY D OR2016-10-15 active